Description Yealink T43U Business IP Phone The Yealink T43U Business IP Phone is a professional desk phone designed for office communication. It features a 3.7-inch display, HD audio, dual USB ports, and multiple SIP accounts. With fast response speed, PoE support, and easy deployment, it’s ideal for small to large businesses seeking reliable VoIP solutions. Yealink T43U Business IP Phone – Full Specifications Category Specification Model Yealink SIP-T43U Type Business IP Phone Display 3.7″ (360 x 160) grayscale LCD with backlight Lines / Accounts Up to 12 SIP accounts Keys 8 line keys, 4 soft keys, 6 navigation keys Audio Features Optima HD voice, HAC (Hearing Aid Compatible) handset, Full-duplex speakerphone, Noise Proof technology Headset Support RJ9 headset port, USB headset support USB Ports Dual USB 2.0 ports (supporting USB flash drive, Bluetooth dongle, Wi-Fi dongle, USB headset) Network Dual-port Gigabit Ethernet (10/100/1000 Mbps) PoE Support Yes, Power over Ethernet (IEEE 802.3af) Power Supply Optional external AC adapter (if PoE not available) Protocols SIP v1 (RFC2543), SIP v2 (RFC3261) Codecs Supported G.711(A/μ), G.729, G.722 (HD), G.726, iLBC, Opus Security TLS, SRTP encryption, HTTPS, 802.1x Phonebook Up to 1000 entries Call Features Call hold, call forward, call transfer, 3-way conferencing, DND, call waiting Local Conferencing 3-way local conference Expansion Module Compatible with Yealink EXP43 Expansion Module Wall Mountable Yes Dimensions (WxDxH) 188mm × 223mm × 143mm Weight Approx. 1.12 kg Operating Temp. -10°C to 50°C Warranty 1 Year (may vary by seller)
